ELENA KOZARYUK
NPI 1255088191
Nurse Practitioner - Adult Health in Saint Louis, MO
About Elena Kozaryuk NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELENA KOZARYUK (NPI 1255088191) is an individual adult health provider in Saint Louis, Missouri, licensed in Missouri (2020037156) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS, is affiliated with Ssm Health St Mary's Hospital - St Louis, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Elena Kozaryuk is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Elena Kozaryuk reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fenton, MO 63026
- Reassigned Medicare billing, Missouri enrollment
- 697 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ssm Health St Mary's Hospital - St Louis
Acute Care Hospitals · Richmond Heights, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63141 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Elena Kozaryuk's NPI number?
The NPI number for Elena Kozaryuk is 1255088191. It was assigned to this individual provider in the NPPES registry on March 9, 2022.
Where is Elena Kozaryuk located?
Elena Kozaryuk practices at 11716 Studt Ave, Saint Louis, MO 63141. The listed phone number is (314) 330-8117.
What is Elena Kozaryuk's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Elena Kozaryuk enrolled in Medicare?
Yes. Elena Kozaryuk is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Elena Kozaryuk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elena Kozaryuk reassigns Medicare benefits to Ssm Medical Group, Inc. (Fenton, MO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Elena Kozaryuk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Elena Kozaryuk accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 4 other insurers list Elena Kozaryuk as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Elena Kozaryuk affiliated with any hospitals?
According to CMS data, Elena Kozaryuk is affiliated with Ssm Health St Mary's Hospital - St Louis.
When was this NPI record last updated?
The NPPES record for Elena Kozaryuk was last updated on March 9, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Elena Kozaryuk · NPI 1255088191
Adult Health physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since March 9, 2022.
## Identity
- **NPI:** 1255088191 (Entity type: Individual)
- **Enumerated:** March 9, 2022
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** 2020037156 (Missouri)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 11716 STUDT AVE, Saint Louis, MO 63141-7018
- **Phone:** (314) 330-8117
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Ssm Medical Group, Inc. (NPI 1700966207, Fenton, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** March 9, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1255088191) · Data from the CMS NPPES public registry.